... been clarified yet, and the possibility of in vivoinhibition of the enzymatic activity of tTG by CDautoantibodies should be carefully considered. CD isfrequently accompanied by other autoimmune ... amino acids (amino acids 140–376), asproved by the reactivity of tTG/11, tTG/7, which overlap by this region only. However, this conclusion is slightlycomplicated by the lack of recognition of ... Primary antibody, 24 sera from untreated CD patients. (B) Primary antibody, 12 sera from non-CD patients affected by other pathologies and with a serum antibody response to tTG. Secondary antibodies,...